(29)There is enough food for birds,isn't----?A.it B there C

(29)There is enough food for birds,isn't____?A.it B there C that D this (38)---Tom,these books ar
(29)There is enough food for birds,isn't____?A.it B there C that D this
(38)---Tom,these books are very important for you.
----Yes,mum.I'll___them____.
A.put;away B give; away C get away D keep away
请说明理由,